#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main()
{
  close(1);
  int fd1 = open("log1.txt", O_WRONLY | O_CREAT | O_TRUNC, 0666);
  int fd2 = open("log2.txt", O_WRONLY | O_CREAT | O_TRUNC, 0666);
  int fd3 = open("log3.txt", O_WRONLY | O_CREAT | O_TRUNC, 0666);
  int fd4 = open("log4.txt", O_WRONLY | O_CREAT | O_TRUNC, 0666);
  

  printf("fd1: %d\n", fd1);
  printf("fd2: %d\n", fd2);
  printf("fd3: %d\n", fd3);
  printf("fd4: %d\n", fd4);
  
  fflush(stdout);

  close(fd1);
  close(fd2);
  close(fd3);
  close(fd4);
  
  return 0;
}
